Application: Suitable for removing and installing earless retaining rings,used to spread snap rings found on brakes, pedal shafts, transmissions, clutch shafts, machine tools, and some piston rings. Design:Specially designed knurling at the end of the jaws to increase friction and prevent slippage.The spring design reduces hand and wrist fatigue for easy one-handed operation.Ergonomic handle, comfortable grip, not easy to slip. High Materials:Made of aluminum alloy with blackened surface, sturdy and durable, not easily rusted. Size:206mm/8.1" The antirust oil may be appeared on the tools, it will not effect the function. Material: Aluminum Alloy.Sizes: 206mm/8.1". Attention: Anti-rust oil is added when producing pliers to prevent pliers from rusting, not other stains.