CRL Black 1/4" x 4" Plastic Interlocking Horseshoe Shims - 100 Pack - Item # 1HS04

CRL Black 1/4" x 4" Plastic Interlocking Horseshoe Shims (100 Pack) provide precise spacing and load distribution for commercial glazing, storefront, and panel system installations. Designed for fast alignment and long-term support.