1.laser welded core drill bit 2.diameter:1",1-3/8" ,2",3",5"working lenth: 170mm 3.long cutting life 4.very sharp, fast speed

laser welded core drill bitdiameter:1",1-3/8" ,2",3",5"working lenth: 150mmlong cutting life

Adapt: SDS LONG 1PC, SDS SHORT 1PCS, DRILL: 10X200MM  1PCS,  SHIFT KEY,  1  PC

Aluminium case  1 setvery sharp, fast speed

diamond core drill bit set for Cement board