ITEM NAME:100 pcs M5 Hammer Nut Carbon Steel Aluminum Connector T Fastener Sliding Nu A2M1 100 pcs M5 Hammer Nut Carbon Steel Aluminum Connector T Fastener Sliding Nu A2M1 Used for: Insert into aluminium profile and connected together with T screw or others. Type: T Hammer nut Surface Treated: nickel plated Color: Silver Material: Carbon steel Specifications: M5-20 Width: 6mm Thread diameter: 4mm Quantity: 100 pcs Packakge list: 100 * Post-Assembly T Nuts 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.