6pcs m4 rubber well nuts kayak accessories blind fastener rivet fishing boat nut

$1.27
Tightening a threaded screw into the brass nut expands the insert to secure the fixing.
Great accessory for kayak, canoe, boat.
Type:m4 well nuts
Color:black
Material:rubber
Weight:12g
Size:1.5cm x 1.1cm x 0.7cm
QTY:6pcs
Package includes:6pcs m4 well nuts