Yunnyp 8pcs/Set 3~16mm Drill Bit Stop Ring Clamp,Drill Depth Stop ...

Yunnyp 8pcs/Set 3~16mm Drill Bit Stop Ring Clamp,Drill Depth Stop Collars Assortment Set with Hex Wrench Woodworking Tool

• 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm and 16mm drill depth stops will fit drill bits in different size.
• High carbon steel features high hardness, strong strength and long durability.
• Equipped with a hex wrench for convenient use.
• Easy to use, just insert the stop collar on the drill bit to to the desired depth and tighten by wrench.
• Help to limit the depth of drilling hole as you want.