8 шт. кольцо позиционер с шестигранным гаечным ключом термостойкие аксессуары сверло инструменты нержавеющая сталь глубина Стоп Воротник Набор прочный

Descriptions:
The stop collar is made of 304 stainless steel material, high hardness, corrosion resistance, heat resistance, and durable to use.
Double nematopore design has a stronger clamping force, which can firmly lock the drill bit.
It is fixed on the drill bit to limit the depth of the drill hole that ensures the hole depth is consistent.
Specifications: about 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm.
Packing list: 8 stop collars (3, 4, 5, 6, 7, 8, 9, 10mm), 1 hex wrench.
Specifications:
Material: stainless steel
Color: silver
Size (inner diameter): about 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm
Package Included:
8pcs x stop collar
1pc x hex wrench
Note:
1. Due to the light difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.