15 shims: 1/16" thick. 3/8" slot. 1-1/4" wide x 1-1/8" tall. 15 shims: 1/8" thick. 3/8" slot. 1-1/4" wide x 1-1/8" tall. The body alignment are made from high-quality metal, ensuring premium quality, strength, stability, and durability, making them perfect for use in harsh conditions. Alignment Shims are widely used for adjusting Body Parts or camber, caster and toe at the front or rear wheels. The body alignment shims are made from high-quality metal, ensuring premium quality, strength, stability, and durability, making them perfect for use in harsh conditions. Our alignment shims undergo a special coating surface treatment process, which can effectively prevent rust and corrosion.