General description High-quality slim style Chrome Vanadium steel spanners, hardened and tempered with a black electrodeposition finish and a machined lacquered head. This Premier Black Combination Ratchet Spanner Set includes 12 pieces and features an ultra-smooth 100-tooth ratchet ring, making it ideal for use in tight spaces. The set is supplied in an EVA foam storage tray for easy organization. Technical specifications Material: Chrome Vanadium steel Ratchet ring: 100-tooth Open end angle: 15 degrees Other information Lifetime guarantee*