{WIDE APPLICATION: O rings kit for faucets plumbing,pressure washer hose hydraulics fluid,Automobiles,machinery bearings, pumps,boats,oils,gas control valve,air,water fitting seal leakages repair | {MULTIPLE SIZE}: Oring assortment kit contains the most commonly used 24 size: OD x THK/ 6x1.5mm/ 6.5x1.5mm/ 7x1.5mm/ 8x1.5mm/ 9x1.5mm/ 10x1.5mm/ 11x1.5mm/ 12x1.5mm/ 13x1.5mm/ 14x1.5mm/ 15x1.5mm/ 16x1.5mm/ 17x2.4mm/ 18x2.4mm/19x2.4mm/ 20x2.4mm/ 21x2.4mm/ 22x2.4mm/ 23x2.4mm/ 24x2.4mm/ 25x3.1mm/ 26x3.1mm/ 27x3.1mm/ 28x3.1mm | {INCLUDED TOOLS}: O-Rings assortment kit comes with 4-Piece detachable precision pick and hook set, includes 1-pc. full hook; 1-pc. 45-degree pick; 1-pc. 90-degree pick; 1-pc. straight pick,share one handle for easy replacement and installation | {MATERIAL}: Black o rings made of high-quality commercial grade nitrile rubber (NBR) material,it has excellent high temperature and low temperature resistance, the working temperature range is from -40℉ (-40℃) to +248℉ (+120℃),maintains good stretchability elasticity,has It has the advantages of ozone resistance and weather resistance | {CONVENIENT STORAGE}: Assorted oring kit are placed in a sturdy plastic storage box,each size with detailed label paper,are stored in order of small to large for easy retrieval.It can be used for months or even years rather than buying them at a hardware store