Check the listing for details. M8x40mm Female Threaded Hand Knobs Oval Brass Insert Handles for Machine, 4Pcs. Condition: New. Listed at 19.36 USD. Description:Made of phenolic material with mirror polishing that is smooth and durable. It provides high electrical insulating properties, heat resistance, toughness, ductility and good properties for long-term use.Designed with a female threaded brass insert hole as a durable fastener that can be screwed in to attach firmly and avoid it being moved or loose when applying it to the male thread.This oval hand knob has a glossy and non-slip surface that is comfortable to handle. It can be easily grip to assemble and disassemble by hand without any tools. The hand knobs are versatile. It can be used as a replacement part for mechanical equipment, furniture decorations, control levers, exercise equipment, and more.Product Specifications:Material: PhenolicFinish: Mirror PolishingColor: BlackShape: OvalFemale Thread Size: M8x1.