Staccatory Drill Stop Bit Collar Set, 9-Piece Adjustable Drilling Depth Stop Collar Boundary Ring with Carbon Steel Drill Accessories Set for Drill

Precise and efficient: once the stop ring is attached to the drill, it does not shift. Helps you drill multiple holes quickly and easily to a consistent, precise depth. Solve the problem of repeated deep drilling or too deep drilling. No more wrapping tape around your drill bits to control depth, save time and achieve higher accuracy. MATERIAL Made of high quality carbon steel for good durability. The is blackened with anti-rust oil to improve rust protection performance. Safe and , the screw collar not damage the drill. Drill Stop Bit Collar Set:8 stop collar sizes of 1/8 1/4 7/32 1/4 5/16 3/8 7/16 1/2 for the most common drill sizes Customize your various DIY production work with the needs. Suitable for twist drill or tip drill or type of bit. Easy to use: each stop ring has a locking screw that allows it to be securely locked in any position on the drill, and the included hex key makes it easy to tighten and adjust quickly and easily, as well as accurately control the depth of the hole you drill.