Easy to use: Simply choose the appropriate size drill and stop collar, slide the collar onto the bit and adjust the required depth with a ruler or depth gauge (not included), then pull the collar screw with allen key that included ✅【Advantage】 --- The Positioner Ring can be used on twis-t drill bits, brad point drills or any types of bit, help you to control the depth of the hole you are drilling accurately. so that the depth of the hole can be consistent. ✅【Product Specification】 --- The kit including 7 depth stop collars to meet various demand: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm and 12mm(inner diameter)., And a hex wrentch. 8pcs Drill Bit Depth Stop 3-16mm Adjustable Positioner Ring Collars Drill Bit Depth Stop With Wrench Hex For Screwdriver Limit Drill Hole Depth 1facf822 A5e7 499d Bef8 2785dfc6c6b1.4a4c973a26d201442fa009681140f141 POWERTEC Drill Bit Stop Collar Set, 7 Piece Set Adjustable Drill Bit Depth Stopper with Allen Wrench, Bit Stop with Imperial System Size Markings - 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2 (71491W ✅【Easy to Use】 --- Equipped with a hex wrench for convenient use. ✅【High Quality】 --- It is made of high carbon steel, with high hardness and strong strength, which is durable for long term use. PC PL PCF PT Pneumatic Air Fitting PC 4 6 8 10 12mm Male Thread 1/8 1/4 3/8 1/2 Straight ✅【Customer Service】 --- You are welcome to contact us if you have any problem about our product, we will give you a satisfactory reply.
