Hign-concerned Chemical:None Special Features:/ Material Type:Rubber + Brass Item Weight:17g Item Height:0.1inch Item Width:0.1inch Item Length:0.1inch External Testing Certification:CCC Model Name:M4/M5/M6 Rubber Well Nuts Year:/ Origin:Mainland China Item Type:Nuts & Bolts 10pcs M4/M5/M6 Rubber Well Nuts Blind Fastener Windscreen Windshield Fairing Cowl Fastener Accessories for Motorcycle brand new and high quality Features: 10pcs brass nut with rubber sleeve. Tightening a threaded screw into the brass nut expands the insert to secure the fixing. Great accessory for kayak, canoe, boat,motorcycle. Rubber nuts consist of a flanged neoprene rubber sleeve with a captive brass nut Vibration and shock resistant - dampens noise Can be used in blind holes and tubes specification: Color:black Material: Rubber + Brass Thread Size: M4/M5/M6 Quantity:10pcs Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 10x Well Nuts