37 PCS 1/4" Drive Go-Through Socket & Bit Set - MG51418 A professional-grade socket set manufactured from high-quality Chrome Vanadium (Cr-V) steel. The "Go-Through" design is ideal for long threaded rods and tight spaces where standard sockets fail. Includes a 72-tooth ratchet and S2 steel bits for maximum durability. Ratchet: 72-tooth Go-Through handle. Spline Sockets: 11 sizes from 4.5mm to 13mm (Multi-fit profile). Bits: 21x S2 steel bits (Slotted, Hex, PH, Torx, Square, Clutch). Extras: 50mm extension, 1/4" quick-release adapter, bit holder, and impact adapter. Made in China Code: 560125 International shipment available. Please ask for price.