EDiamondTools 5-1/2" Wet Drill Core Bits for Concrete, Masonry, 14" Long Diamond Hole Saw

MULTIPURPOSE - designed to drill concrete, concrete with light steel reinforcement or hard masonry HEAVY DUTY - embedded diamond concentration guarantees longer core life and efficient drilling ARBOR SIZE - 1-1/4"-7 threaded arbor, DRILLING DEPTH - 14" drilling depth WET/ROTARY MODE ONLY - recommended to use with handheld core drills or dedicated core drill rigs (rotary mode only, no wire mesh drilling)