Made of plastic and metal, practical and durable. (Type: Triangle Handle, Nut, Bolt) Contents: 1 nut, 1 bolt or 2 nuts and 2 bolts. It works with most machines/lawn mowers. It can be used to hold the buttons on the lawn mower and you can use it to replace the old ones or ferns. Screws: 50mm (L), 20mm (head diameter), 8mm (diameter) Package Contents: 1 plastic nut + 1 bolt. Option B - 2 plastic nuts + 2 bolts (color: black + silver)