Roughneck 4 Piece Bolster & Chisel Set with Non-Slip Guards is manufactured from drop-forged and heat-treated superior quality chrome vanadium steel to ensure outstanding toughness and long-life performance. The 45° single chamfer cutting edge offers the optimal balance between cutting performance and longevity. Each piece is equipped with a patented non-slip guard that securely locks onto the shaft. Eliminates the age-old problem of grips slipping up the shaft during impact. Additionally, the guard can be removed within seconds to improve access in tight areas or to aid flush cutting. This 4 piece set contains: 1 x Cold Chisel with Non-Slip Hand Guard: 25 x 279mm (1 x 11in)2 x Brick Bolsters with Non-Slip Hand Guards: 76 x 279mm (3 x 11in) and 102 x 279mm (4 x 11in)1 x Concrete Pick with Non-Slip Hand Guard: 4 x 279mm (5/32 x 11in)Additional Information:Min. Size (mm): 4Max. Size (mm): 102No. Pieces: 4