ITEM NAME:Robot shaft 8mm coupler copper motor rigid coupling tight screws F4S3 Robot shaft 8mm coupler copper motor rigid coupling tight screws F4S3 Product Name: Motor Wheel Hitch Hole: 8mm / 0.8cm / 0.31 inch Outside size: 16 x 22mm /0.63 inch x 0.86 inch (D L) Material: copper Net weight: 28g Color: golden Package Contents: 1 x coupler 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..Material: copper.
