• Made of steel, hardened to Rc 58-62.
  
• Includes two self-storing, hardened & ground rails.
   
• 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 0.200" 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.

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"  3-3/8"
18" x 12" x 3-3/8"
12" x 24" x 4"
24" x 12" x 4"