[1  & 2]

【HIGH QUALITY RUBBER】12 piece set will greatly play the role of sealing ring and plug ring.
Multi-Purpose: Widely used for fixings, plugs, water pipes, hydraulic fittings, etc.
【For DIY Enthusiasts】Solid quality, perfect for DIY making, repairing and modifying things.
【Convenient and Simple】Easy to use and convenient to store.
[Specifications] Color: Black/Material: Rubber/Applicable Pipe Diameter: 1/2", 3/4", 1" / Weight: Approx. 13-27g / Package List: 12 Washer Rings

Specifications:

Features:
12 pieces kit includes rubber washers.
Great as a set of seal washers and plug washers.
Widely used for fasteners, plugs, water pipes, hydraulic fittings, etc.
Great and stable quality for DIY enthusiasts, great for making, repairing and modification.
Convenient and easy to use and store.
Specifications:
Color: Black
Material: Rubber
Applicable Pipe Diameter: 1/2, 3/4, 1) Options: 1/2: Outer Diameter 0.8 inch (20 mm), Inner Diameter 0.5 inch (12 mm)
3/4 inch: 25mm outer diameter, 16mm inner diameter
1 inch: Outside diameter 30mm, Inside diameter 20mm
Weight: Approx. 13-27g
Package List:
12 x Washer Rings