Hammer Nylon Face 1-1/4 in Material Nylon Tip Hardness Hard Diameter 1 1/4 in Color White Thread Size 9/16-12 Mounting Threaded Shape Round Compatible with Brand Vaughan Compatible with Grainger Part Number 55MU96 Compatible with Manufacturer Model Number 58920 - 125HF 58922 - 125TF 58924 - 125MF 58926 - 125SF 58928 - 125XF 59024 - 125NF 59660