23-hole precision design, which can effectively use light weight and maximum strength. Equipped with plastic storage box, 5* stainless steel hexagon socket head screw and a hexagon wrench, the accessories are complete to meet the work requirements. Suitable for machinists, , metalworkers, etc. Heat treatment and shell hardening, strong and durable. Made of precision grade tool steel, hardened and ground on all 6 sides of the block. Name: parallel pad set of milling machine Colour:silver+black Material:steel Package Contents: 1 x Milling machine parallel pad set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.