Bosch 1-1/2 in. SDS-Plus Extension for SPEEDCORE Thin-Wall Core Bit

Bosch SDS-Plus rotary hammer core bits are designed for core drilling with smaller hammers with a core body length of 4-3/8-in. and a useable cutting depth of 3-in. core bits are sold separately and still need the center pin, guide plate and shank to get the most out of your bit. Bosch SDS-Plus rotary hammer core bits are designed for core drilling with smaller hammers.