18 Piece Round Sine Riser Blocks
4342.0010
• Each block marked for angle
• Overall diameter is 0.750"
• Made of high grade alloy steel
• Working surface hardened to HRC62 and ground to tolerance ±0.0001"
• 1° thru 15° byl° plus 1/2' 1/4 & 1/2 T.P.F.
• Supplied in fitted wooden case