/ Precision Measuring Tools / Surface Plates / Precision Surface Plates / PIM_ICC_NUM_130102 / G-85029 There is a newer version of this product available G-80629 18" x 24" x 6" Surface Plate 18” x 24” (450mm x 600mm) Crystal Pink® Granite Surface Plate with a 6” (150mm) thickness. * Not actual product image G-85029 18" x 24" x 4" Surface Plate 85029 Discontinued ! - Superior Black Granite Surface Plate 18" x 24" x 4" Superior Black Granite Surface Plate - Grade AA, 2 Ledges 18” x 24” (450mm x 600mm) Superior Black Granite Surface Plate with a 4” (100mm) thickness. Superior Black Granite has low water absorption, creates little glare and minimized thermal expansion Grade AA (Laboratory Grade) for precision operations in constant temperature gaging rooms and metrology departments. .000075” (0.0019mm) Flatness unilateral tolerance. Produced with 2 ledges. Note: This product is no longer available. Features Specifications Product Testimonials Other similar products G-85006 12" x 12" x 4" Surface Plate G-85007 12" x 12" x 4 " Surface Plate G-85008 12" x 12" x 4" Surface Plate G-85009 12" x 12" x 4" Surface Plate G-85010 12" x 18" x 4" Surface Plate G-85011 12" x 18" x 4" Surface Plate G-85012 12" x 12" x 3" Surface Plate G-85013 12" x 18" x 4" Surface Plate G-85014 12" x 18" x 4" Surface Plate G-85015 12" x 12" x 3" Surface Plate G-85016 12" x 18" x 3" Surface Plate G-85017 12" x 18" x 3" Surface Plate G-85028 18" x 24" x 4" Surface Plate G-85029 18" x 24" x 4" Surface Plate G-85031 18" x 24" x 4" Surface Plate G-85032 18" x 24" x 4" Surface Plate G-85034 18" x 24" x 3" Surface Plate G-85035 18" x 24" x 3" Surface Plate G-85036 24" x 24" x 4" Surface Plate G-85037 24" x 24" x 4" Surface Plate G-85038 24" x 24" x 4" Surface Plate G-85039 24" x 24" x 4" Surface Plate G-85040 24" x 24" x 4" Surface Plate G-85041 24" x 24" x 4" Surface Plate G-85055 24" x 36" x 6" Surface Plate G-85056 24" x 36" x 6" Surface Plate G-85058 24" x 36" x 6" Surface Plate G-85059 24" x 36" x 6" Surface Plate G-85061 24" x 36" x 4" Surface Plate G-85062 24" x 36" x 4" Surface Plate G-85082 30" x 48" x 8" Surface Plate G-85083 30" x 48" x 8" Surface Plate G-85085 30" x 48" x 6" Surface Plate G-85086 30" x 48" x 6" Surface Plate G-85088 30" x 48" x 6" Surface Plate G-85089 30" x 48" x 6" Surface Plate G-85090 36" x 36" x 6 " Surface Plate G-85091 36" x 36" x 6" Surface Plate G-85092 36" x 36" x 6" Surface Plate G-85093 36" x 36" x 6" Surface Plate G-85094 36" x 36" x 6" Surface Plate G-85095 36" x 36" x 6" Surface Plate G-85110 36" x 48" x 8" Surface Plate G-85111 36" x 48" x 8" Surface Plate G-85113 36" x 48" x 6" Surface Plate G-85114 36" x 48" x 6" Surface Plate G-85116 36" x 48" x 6" Surface Plate G-85117 36" x 48" x 6" Surface Plate G-85118 36" x 60" x 10" Surface Plate G-85119 36" x 60" x 10" Surface Plate G-85120 36" x 60" x 8" Surface Plate G-85121 36" x 60" x 8" Surface Plate G-85122 36" x 60" x 6" Surface Plate G-85123 36" x 60" x 6" Surface Plate G-85128 36" x 72" x 12" Surface Plate G-85129 36" x 72" x 12" Surface Plate G-85131 36" x 72" x 10" Surface Plate G-85132 36" x 72" x 10" Surface Plate G-85134 36" x 72" x 8" Surface Plate G-85135 36" x 72" x 8" Surface Plate G-85136 48" x 48" x 8" Surface Plate G-85137 48" x 48" x 8" Surface Plate G-85138 48" x 48" x 6" Surface Plate G-85139 48" x 48" x 6" Surface Plate G-85140 48" x 48" x 6" Surface Plate G-85141 48" x 48" x 6" Surface Plate G-85155 48" x 72" x 10" Surface Plate G-85156 48" x 72" x 10" Surface Plate G-85158 48" x 72" x 8" Surface Plate G-85159 48" x 72" x 8" Surface Plate G-85161 48" x 72" x 8" Surface Plate G-85162 48" x 72" x 8" Surface Plate G-85173 48" x 96" x 12" Surface Plate G-85174 48" x 96" x 12" Surface Plate G-85176 48" x 96" x 10" Surface Plate G-85177 48" x 96" x 10" Surface Plate G-85179 48" x 96" x 8" Surface Plate G-85180 48" x 96" x 8" Surface Plate Contact Starrett Features Low water absorption minimizes the possibility of precision gages rusting while setting on the plates. This black granite creates little glare resulting in less eyestrain for individuals using the plates. Keeps thermal expansion to a minimum. Specifications Made in America: Yes Size LxWxT (in): 18 X 24 X 4 Grade (U.S.): AA Laboratory Size LxWxT (mm): 450 X 600 X 100 Ledges: Yes Product Testimonials Write a product review Write a product review Comments* First Name* Last Name* Email* Occupation The information you provide will be used in accordance with the terms of our privacy policy. I agree to the privacy policy. Please provide the required information. Thank you for submitting a product testimonial on www.starrett.com. By submitting information to Starrett, you acknowledge and give express permission for the L.S. Starrett Company to use and share your statements.