This product is made with fine quality bra-ss and rubber sleeve, perfect accessory for your kayak, canoe, boat.  

Features:
10PCS, 20PCS, 50PCS, 100PCS, different kinds of quantity for your choice.
Well nuts are made with bra-ss and rubber sleeve, perfect accessory for your kayak, canoe, boat.
Easy to operate, suitable for personal or professional use.
Tightening a threaded screw into the bra-ss nut expands the insert to secure the fixing.

Specifications:
Item type: Rubber Well Nuts
Material: Rubber+Bra-ss
Quantity: 10PCS, 20PCS, 50PCS, 100PCS(optional)
Size: M5
Package weight: 10PCS: 18g/0.63ounces
                20PCS: 36g/1.26ounces
                50PCS: 90g/3.17ounces 
                100PCS: 180g/6.34ounces
Package size: 10PCS: 100*40*20mm/3.93*1.57*0.78inches
              20PCS: 180*120*20mm/7.08*4.72*0.78inches
              50PCS: 250*180*20mm/9.84*7.08*0.78inches
              100PCS: 250*180*20mm/9.84*7.08*0.78inches

Package list:
20PCS*Nuts