Gearwrench 86192 16 Piece Bolt Biter™ SAE/Metric Wrench Insert Set
Designed to work with a static, ratcheting or open-end wrench for ultimate versatility. Magnetic retention system for secure fit inside of wrench. 14mm [-9/16 in] 9/16 in 15mm 16mm [5/8 in] 17mm 11/16 in 19mm [3/4 in].