Steel forged, case hardened; 1-1/4" capacity
May be used singly or in pairs in layout work
May be used to hold circular stock during drilling, milling and grinding operations
Removable 6" steel rod, held by friction bushings, keeps blocks in alignment and under work
Large V about 13/16", small V about 13/32" across mouth
Includes: two V blocks, aligning rod and clamp