BGS 7284 Hex Impact sockets 6.3 mm (1/4") Input 4

Suitable for use with hand and impact guns with adapter for locking pin and rubber ring output: Pro Torque (hexagonal) | wrench width: 4 mm inlet profile: inner square | inlet profile size, imperial: 1/4" | inlet profile size, metric: 6.3 mm Surface treatment: phosphated | material: chromium-molybdenum steel, Manufacturer: BGS