Up to 50% thinner head profile than conventional ratchet systems 5° ratcheting arc Built up to 40% stronger than traditional ratchets by eliminating the drive tang Pass-Thru™ ratchet and socket system eliminates the need for deep sockets 11 locking head positions Dual material comfort grip handle Features blow mold case for storage and organization Meets or exceeds ASME specifications Drive Size 3/8" Finish Full Polish Chrome Handle Length 12" Head Thickness 0.453" Includes 3/8" Drive Pass-Thru™ Extension 3"; 3/8" Drive Pass-Thru™ Extension 6"; 3/8" Drive Pass-Thru™ Quick-Release Adapter; 3/8" Drive Pass-Thru™ 72 Tooth XL Locking Flex Head Ratchet 12" Length Standard Manufacturer's Warranty Full Lifetime No. of Pieces 23 Ratchet Handle Type Locking Flex Standard(s) Met ASME Swing Arc 5° Tooth Count 72 Type Hand/Standard