The Holder is CNC made from 6061 Aluminum with industrial grade Black anodized finish.
The wheel shaft made from 1045 steel with 85A duro industrial grade PU rubber coating.
The industrial grade PU rubber it has 3 times more lifespan than the natural vulcanized rubber and is ideal for such kind of applications.
The set includes: 1/2", 5/8", 3/4", 7/8", 1" in diameter and & 2- 1/4" wide.
The holder attachment itself is one stand alone part assembly.
It attaches to a tooling arm with 2x 3/8-16 bolt (not included).
The storage rack is made from 304 grade brushed Stainless Steel.
Made in EU.
Although solid aluminum is the ideal material for the holder as it functions as heat sink for the bearings,we suggest the motor speed with a 4" drive wheel not exceed the max of RPM 1800 (Ideal motor speed 1200-1500RPM).