Click to expand Tap to zoom Rampa - Allen Keys 49 reviews Case hardened, Hexagons on both ends. Sizes available: 4mm for bolts, 6mm for inserts Choose a variant 4mm - $0.50 6mm - $0.75 Size: 4mm 4mm 6mm Original price $0.50 - Original price $0.75 Original price $0.50 $0.50 - $0.75 Current price $0.50 | / Quantity Add to cart