BGS 9160 Push through Ratchet internal square 6.3 mm (1/4")

made of chrome vanadium steel square included (replacement square available under BGS 9161) profile: internal square drive profile size, metric: 6.3 mm drive profile size, inch: 1/4" surface finish: satin chrome plated no. of teeth in ratchet head: 30 handle type: 2-component handle, Weight: 0.1543235834 Pounds, Manufacturer: BGS