Features: 1. The lawn mower handle nut has compact structure, triangular nut design, light weight, convenient installation, deep and complete thread of knob nut, neat and clear, uniform stress and not easy to slide. 2. Replacement Parts: The triangle knob handle bolt nut can be useed to fastener the lawn mower knob, you can use it to replace the old or brocken part. 3. Application: Triangle handle knob nut screw bolt set, special triangle design, great hand feeling, labor saving, is universal for most lawn machine/lawn mower. Specifications: Type: Triangle handle knob nut screw bolt Material:Plastic and metal Screw: 50mm(L),20mm(head dia),8mm(dia) Color: Black+silver Packaging content: 4Sets x Triangle Handle Knob Nut Screw Bolts for Lawn Mower Note: 1. Due to manual measurement, the size and weight may have a certain error. 2. Due to the difference between different monitors, there may be a slight color difference.