Made of steel, hardened to Rc 58-62. Two self storing, hardened & ground rails included. Sizes up to 6" x 6" have 1/4-20 tapped holes, larger sizes have 3/8-16 tapped holes. Model # SP-555 has T-slots for 1/4" T-bolts. Gage block roll has two .200" minute steps for setting small angles with standard gage block sets. Models with the suffix "S0, S1 OR S2" are part of the SineSet System, other products with the same part # suffix will bolt directly to these Sine Plates. Locking strap that always remains below the top surface is standard.

MODEL	SIZE	CENTER DISTANCE OF ROLLS	SQUARE & PARALLEL	WT(#)
SP-136** SP-44-S0 SP-555** SP-66-S1 SP-612-S2 SP-126-S2 SP-618-S2 SP-186-S2 SP-812-S2 SP-128-S2 SP-1212-S2 SP-1218-S2 SP-1812-S2 SP-1224-S2 SP-2412-S2	6" x 3" x 2" 4" x 4" x 2" 6" x 5" x 2-1/4" 6" x 6" x 2" 6" x 12" x 2-5/8" 12" x 6" x 2-5/8" 6" x 18" x 3-3/8" 18" x 6" x 3-3/8" 8" x 12" x 2-5/8" 12" x 8" x 2-5/8" 12" x 12" x 2-5/8" 12" x 18"  3-38" 18" x 12" x 3-38" 12" x 24" x 4" 24" x 12" x 4"	5" w/I .0002" 3" w/I .0002" 5" w/I .0002" 5" w/I .0002" 5" w/I .0002" 10" w/I .0002" 5" w/I .0002" 15" w/I .0003" 5" w/I .0002" 10" w/I .0002" 10" w/I .0002" 10" w/I .0003" 15" w/I .0003" 10" w/I .0004" 20" w/I .0004"	.0002" .0002" .0002" .0002" .0003" .0003" .0004" .0004" .0003" .0003" .0003" .0004" .0004" .0005" .0005"	9 9 17 18 47 45 90 84 62 60 90 170 167 273 267

**Not SineSet Compatible
SPECIAL SIZES AVAILABLE UPON REQUEST