Feature：

Type: O Ring
Case Color: Red
O ring Color: Black
Sizes: 3 mm I.D. to 50 mm I.D
Thinkness: 1.5mm 2mm 2.5mm 3.5mm
 Appliactions: Piping, mechanical, hydraulic, pneumatic maintenance
Case Dimensions: 25*16*4cm
Quantity: 419 pcs/set

Description：

O-RING ASSORTMENT KIT: Each O-ring acts as a joint gasket to seal and protect water lines in any oil line, faucet, sink, filter, toilet, or other machinery.
VERSATILE & RELIABLE: Thanks to the NBR construction, these rubber O-rings are resistant to water, UV, lubricants, hydraulic fluids, gasoline, alkalis, and grease. Each O-ring creates a long-lasting seal that protects your devices from leaks. Provides sealing and prevents leaking for a wide range of applications such as plumbing, machinery, hydraulic & pneumatic repairs and much more.
DURABLE O-RING KIT: Each pliable O-ring in this set has a high-quality construction and a thick wall design to provide long-lasting durability. The rings are made of nitrile butadiene rubber for liquid resistance.
COMPACT SIZE: Our O-ring kit comes organized in a case by ring size and shape. Carry this seal tool set with you wherever you’ve got a leak that needs extra sealing protection and be ready to protect against leaks from water and other liquids.
WHAT’S INCLUDED: This rubber O-ring set includes 32 common small and large sizes for a range of home, hydraulic, industrial, and pneumatic applications. It comes with a sturdy plastic case.

Package List:

3*1.5mm, 4.4*2mm（20pcs） 
5*2mm （18pcs） 
7*1.5mm 10*1.5mm, 13*1.5mm（23pcs）
10*2.5mm, 13*2.5mm, 16*2.5mm, 18*2.5mm, 21*2.5mm（14pcs）
11*2.5mm, 14*2.5mm, 19*2.5mm, 22*2.5mm（13pcs）
18*3.5mm, 20*3.5mm, 22*3.5mm, 23.5*3.5mm, 25*3.5mm, 26.5*3.5mm, 28*3.5mm, 30*3.5mm, 31*3.5mm, 33*3.5mm, 34.5*3.5mm, 36*3.5mm, 38*3.5mm, 41*3.5mm, 44*3.5mm, 47*3.5mm, 50*3.5mm（10pcs）