Wrenches Elastic Ratchets Ratchet Nuts Bits Metric Ratchets Ring & Open End Wrenches Tool Sizes Style & Size: 6mm Dual Purpose Ratchet, Size: Spec width: 6mm, round mouth width: 17mm, opening width: 16mm, total length: 127mm, round mouth thickness: 7.5mm, opening thickness: 5mm, weight: 40g ; 7mm dual-purpose ratchet, size: specification: 7mm, round mouth width: 17.5mm, opening width: 16.5mm, total length: 128 mm, round mouth thickness: 7.5mm, opening thickness: 5mm, weight: 40g; 8mm dual purpose ratchet wrench, size: specification: 8mm, round mouth width: 18mm, opening width: 17mm, total length: 140mm, round mouth thickness: 7.5mm, opening thickness: 5mm, weight: 40g; 9mm Dual Purpose Ratchet Wrench Size: Specification: 9mm Mouth Width e round: 21mm, opening width: 18.5mm, total length: 152mm, round mouth thickness: 8mm, opening thickness: 6mm, weight: 60g; 10mm dual purpose ratchet, size: specification: 10mm, round mouth width: 21.5mm, opening width: 20.5mm, total length: