The Halfords Advanced 16 Piece Ratchet Spanner Set are made from durable chrome alloy steel, and every size incorporates Surface Drive Plus on the open end. This feature allows you to slide the spanner into position from the side of the fastener, but grips the flat sides of the fastener to deliver 28% more torque before rounding.

The 72 tooth ratcheting mechanism on the box end lets you work quickly and efficiently, and needs just 5 degrees of movement for turning, which is great when working in tighter spaces.

• 16 ratchet spanners: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 and 24mm

• Sizes: 8-24mm

• Surface Drive Plus

• Lifetime Guarantee on all Halfords Advanced tools

• 72 tooth ratcheting mechanism

• 28% more torque before rounding

• EVA foam inserts, plastic inserts, tool cases and other packaging is excluded from the Lifetime Guarantee