Diffraction Grating sheet 13,500 lines/inch - Double Axis 1Ft x 6 Inches

$19.99

500 Lines/mm Diffraction Grating Sheet Single Linear axis [1 Foot x 6 Inches]

$22.99

13,500 Lines/inch Diffraction Grating Sheet - Double Axis [60" x 6" Roll]

$12.99

Diffraction Grating sheet 500 lines per mm Linear 5ft

$19.95

Diffraction Grating Slide-Linear 1000 Lines/mm 2x2-Pack of 10

$22.99

Rainbow Symphony Diffraction Grating Glasses - Linear 500 Line/millimeters, Package of 25

$15.49

Rainbow Symphony Diffraction Grating Slides, Linear, 1000 Line/Millimeters, Made in USA, Package of 25

$9.99

Single Slit Double Slits Combination Trellis Design Optics Elements Interference Diffraction Grating Sheet Optical Physical Experiment Kit

$11.99

EISCO Economy Spectroscope Tube - 500 Lines/mm Grating - Eisco Labs

$49.99

Ilford 1178274 8x10 RC Glossy 25+5 (30) Sheet

$39.99

M-D Building Products 57042 2-Feet by 3-Feet .020-Inch Thick Cloverleaf Aluminum Sheet

$19.99

Mr. Pen Graph Paper, Grid Paper, 4x4 (4 Squares per inch), 11"x8.5", 55 Sheet

$19.98

Prime-Line P 7940 Bulk Screen Spline, 0.185-In. Diameter, 25 ft., Black (1 Roll)

$10.88

KSEIBI 302910 Long Fiberglass Tape Measure Double Face Printing Inch/Metric for Construction Work (66ft / 20m)

$9.18

LICHAMP Tape Measure 25 ft, 6 Pack Bulk Easy Read Measuring Tape Retractable with Fractions 1/8, Measurement Tape 25-Foot by 1-Inch

$19.98

United Scientific DFG600 Diffraction Gratings for SPECT01 Spectrometer

$699

ARTIMUSES 7/32 Inch Black Backed Copper Foil Tape for Stained Glass,36 Yards (2Rolls)

$4.69

Prime-Line P 7944 Bulk Screen Spline, 0.185 In. Diameter, 250 ft Roll, Black (1 Roll)

$4.99

Isometric Notebook: Detailed Light Grid (1/4" and 1/8") for Easy 3D Drawing, Drafting, Technical Drawing and Sketching | 8.5" x 11" | 110 pages Graph Paper

$45.46

Painter's Mate Green Painter's Tape, 1.88 Inches x 60 Yards, 3 Pack (240456)

$10.9

LEXIVON 2 in 1 Digital Laser Tape Measure | 130ft/40m Laser Distance Meter Display On Backlit LCD Screen with 16ft/5m AutoLock Measuring Tape | Ft/Inch/Fractions/M/mm(LX-201)

$13.82

Perfect Surveyor's Open-Reel Tape Measure - 330 ft. / 100m

$16.99

Tape Logic Aviditi Tape Logic 4 1/4" x 5 1/2" White Shipping Address Labels, for Laser & Inkjet Printers, Permanent Adhesive, 8 1/2" x 11" Sheet, 4 Labels Per Sheet, 100 Sheets

$14.7

Tru-Ray Construction Paper, 10 Vibrant Colors, 9" x 12", 50 Sheets

$11.88

Strathmore 400 Series Bristol, 2-Ply Smooth, 11"x14" Tape Bound, 15 Sheets

$11.99

Mr. Pen Graph Paper, Grid Paper, 4x4 (4 Squares per inch), 17"x11", 22 Sheet

$19.98

Tape Logic 1 3/4' x 1/2' White Return Address Labels, for Laser & Inkjet Printers, Permanent Adhesive, 8 1/2' x 11' Sheet, 80 Labels Per Sheet, 100 Sheets

$26.25

Tape Logic Aviditi Tape Logic 4" x 3 1/3" White Shipping Address Labels, for Laser & Inkjet Printers, Permanent Adhesive, 8 1/2" x 11" Sheet, 6 Labels Per Sheet, 100 Sheets

$14.7

Creatrill 218 Yards Raffia Paper Craft Ribbon Packing Paper Twine, 1/4 Inch by 218 Yards (Kraft)

$5.99

Micro Graph Paper Notebook: 3mm Grid Small Squares for Architects and Engineering Drafting - 100 Pages (50 Sheets) - 8.5 x 11 Inches

$24.26

DOAY Blue Painters Tape 6 Inches x 45 Yards - 3D Printing Tape - Multi Surface Use - Single Roll

$19.49

TRM Manufacturing HD12 Weatherall Painter's Plastic 0.31 Mil Clear Hi Density Sheeting, 1 Box of 400 Feet Long by 12 Feet Wide

$201.1

PERFECTAPE Heavy Duty Packing Tape 36 Rolls, Total 2160Y, Clear, 2.7 mil, 1.88 inch x 60 Yards, Ultra Strong, Refill for Packaging and Shipping

$12.49

GRAPH PAPER 1 INCH SQUARES: GRAPH PAPER 1 INCH GRID 8X10 SQUARES 8.5X11 LARGE SHEETS WITH 120 BLANK PAGES

$133

ARTIMUSES 7/32 Inch Silver Backed Copper Foil Tape for Stained Glass,36 Yards (2Rolls)

$15.77

Land Open Reel Fiberglass Tape Measure - 330FT/100M by 1/2-Inch, Inch/Metric Scale, Heavy Duty Tape for Runway and Engineer Survey (330FT)

$74.33

DOAY Blue Painters Tape 3/4 Inches x 30 Yards - Multi Surface Use - 120 Yards Total - 4 Rolls

$17.99

LAND Open Reel Fiberglass Tape Measure - 165FT/50M by 1/2-Inch, Inch/Metric Scale, Heavy Duty Tape for Runway and Engineer Survey (165FT)

$28

CynKen 0.5x300x300mm Titanium Plate Sheet TA2/GR2 Sheet About 12"x12"x0.02"

$10.99

Land Open Reel Fiberglass Tape Measure - 100FT/30M by 1/2-Inch, Inch/Metric Scale, Heavy Duty Tape for Runway and Engineer Survey (100FT)

$74.33

DOAY Blue Painters Tape 1 Inches x 30 Yards - Multi Surface Use - 120 Yards Total - 4 Rolls

$10.9

Hygloss Products Metallic Foil Board Sheets - 12 x 12 Inches - Gold, 10 Pack

$15.15

TRUSCO TGCD-2-95 Stainless Steel Grating Clip, GCD Shape, Compatible Height 2.4-3.0 inches (60-75 mm)

$345

DOAY Blue Painters Tape 5 Inches x 45 Yards - 3D Printing Tape - Multi Surface Use - Single Roll

$17.69

3M Scotchcast Plus 82003A Casting Tape, 3 Inches X 4 Yards -, Roll Black 1 Count

$9.94

CynKen 4x100x100mm Titanium Plate Sheet TC4/GR5 Sheet About 0.16"x4"x4"

$18

Tru-Ray® Heavyweight Construction Paper, Yellow, 12" x 18", 50 Sheets

$11.88

Raffia Paper Ribbon 1/4 Inch by 218 Yards for DIY Craft Gift Box Packing Paper Twine (218Yards, Blue)

$8.59

JBR999 24x36 Clear Acrylic Sheet 1/8 Thick Panel, 2 Pack - 3mm Plexiglass Sheet, 24x36 Cast Acrylic Sheet, Acrylic Plexiglass Sheet 1/8 inch Thick for Signs Crafts Displays

$40.99

Math Notebook 1/2 Inch Squares: Lined Graph Paper Composition Notebook [Large 8.5X11] 2 squares per inch

$4.99

12 x 12 x 1/8 Inch 304 Stainless Steel Sheets - 1/8 inch Thickness Stainless Steel Shim Plates Metal Sheets for Kitchen DIY Craft Making (305 x 305 x 3 mm)

$12.99

Film-Gard 626033 Construction Plastic Sheeting 10' Width X 100' Length X 6 mil Thick, Clear, 1 Count

$18.99

8 x 12 x 1/16 Inch 304 Stainless Steel Sheets - 1/16 inch Thickness Stainless Steel Shim Plates Metal Sheets for Kitchen DIY Craft Making (202 x 305 x 1.5 mm)

$7.64

200 g Assorted Colors Mosaic Tiles Crystal Mosaic for Home Decoration Crafts Supply DIY Art Projects, Shaped Ceramic, 0.5x2 cm, Full Color Mixing

$24.99

Hygloss Products Metallic Foil Paper Sheets for Arts & Crafts, Classroom Activities & Artists-10" x 13", 10 Colors, 40 Sheet

$6.47

Graph paper 1/3 Inch Grid Notebook: 1/3 Inch Squares 120 pages, Thick and light lines Grid.

$126.5

Prime-Line P 7571 0.165 In. x 250 ft. Roll Black Spline (1 Roll)

$4.98

3M VHB Tape 5952, 2 in width x 5 yd length (1 Roll)

$13.99

Bienfang Sketching & Tracing Paper Roll, White, 12 Inches x 50 Yards (2-Pack) - for Drawing, Trace, Sketch, Sewing Pattern

$5.99

Grating Spectroscopes and How to Use Them (The Patrick Moore Practical Astronomy Series)

$65.62