• Convert any box wrench to a wobble square drive
• Wobble drive allows for 15 degrees of swivel
• Set includes: 1/4” x 10mm 3/8” x 14mm 1/2 x 19mm
• Made of hardened Cr-Mo alloy steel with satin finish.
• 2-step wobble drive can swivel up to 15 degrees or lock in fixed position by pushing socket further in