Size:Brass gasket thickness is 1.1 mm, stainless steel balls diameter is 1.588mm The outer diameter is 9.7mm, and the inner diameter is 5.3mm
Material: Brass Gasket with Stainless Steel Ball Beads,durable,easy and smooth for folding pocket knife
Suit for brand folding pocket knives bearing,this bearing can not be installed if your folding knife does not come with the unit bearing position.
If you need to install or replace the bearings, then you need to disassemble your tool to measure whether the outer diameter and inner diameter of the hole to install.
You can get 2 pieces ( One knife needs two pieces washer bearings )