ITEM NAME:25mm CNC Bearing Aluminum Alloy SK25 Linear Rail Shaft Motion Support I3Q2 25mm CNC Bearing Aluminum Alloy SK25 Linear Rail Shaft Motion Support I3Q2 Product Name: Linear Shaft Support Model: N SK25 material: Aluminum alloy Hole: 25mm; Bolt Locking: M 1.5 Recommended mounting bolt: M5 (Screws not included here); Mounting hole distance: 50mm (center to center) Size: 70 x 24 x 60mm (L W H); Color: Silver Net Weight: 144g; Package Contents: 1 x Linear Auction Support Only the above package content, other products are not included. Note: Light shooting 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..Model: N SK25. Hole: 25mm;. material: Aluminum alloy. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Bolt Locking: M 1.5.