Hardened steel top plate has tapped holes for use with clamping devices. The roll bar is made from hardened steel, ground and lapped for straightness and roundness. Swivel block provides full face contact with gage blocks keeping them securely in place. Exclusive locking device inside the hinge roll provides a positive lock with an expanding action. Both screws lock toward the front of the unit, pulling the top plate down on the set-up gage blocks without distortion. Hinge is made from hardened steel, ground and lapped. Angular accuracy of set-ups is guaranteed to be within 5 seconds of arc up to 15 deg., 10 seconds up to 30 deg. and 15 seconds up to 45 deg. Side and back rail included.

MODEL	SIZE	CENTER DISTANCE OF ROLLS	SQUARE & PARALLEL	WT(#)
A-5-SP A-10-SP A-15-SP	6-1/2" x 6-1/2" x 3-3/4" 7-3/4" x 12-1/2" x 4-5/8" 6-3/4" x 18-1/4" x 5-3/4"	5" w/i .0002" 5" & 10" w/i .0002" 5" w/i .0002" & 15" w/i .0003"	.0002" .0003" .0004"	29 77 144

SPECIAL SIZES AVAILABLE UPON REQUEST