The quick release nut is made of durable, high quality plastic Fast fin nut helps speed up balancing process with quick threads This tool allows the throttle nut to slide in and out of position when the release lever is pressed, which is very convenient to use There are four sizes of quick release hub wing nuts for your selection Integrates well with storage, launch wheel balancers and more Product Color: 2 40mm / 3mm Features: This quick wing nut is made of high quality plastic, so it is very durable. And the quick-fitting nut helps speed up the balancing process with its quick-release wires. Meanwhile, the balancing tool allows to the wing nut slides in and out of position when the release lever is pressed, which is very convenient to use. Specifications: Material: Plastic Main color: Black Size: 27.5 x 12 x 12cm / 10.8 x 4.7 x 4.7 inches (L x H x H) Top head diameter: 8.5cm / 3.3inch Fitment: For Ranger, launch wheel balancers and more Package size and weight: Thread Diameter: 40mm / 1.57 in (1 , 2 ), 38mm / 1.5 in (3 ), 36mm / 1.42 in (4 ) Screw pitch: 4mm / 0.16 in (1 ), 3mm / 0.12 in (2 , 3 , 4 ) Package weight: 823g (1 ), 828g (2 ), 840g (3 ), 864g (4 ) Packing: 1 X Spacer 1 X Pressure Cup 1 X Rubber Ring Note: 1. Please allow 0 ~ 1 inch error due to manual measurement. Thank you for your understanding. 2. Monitors are not even calibrated, the color of the item displayed in the photos may be slightly different from the actual object. Please take the real one as a standard.