Male spline sockets so basically like Allen key ends, not like normal sockets (female) 1/2 drive so will fit any 1/2 ratchet or power bar etc. Large, clear die-stamped size marking is easy to read and cant wear off. Vw Spline Drive Spline Socket Triple Square Impacted Deep Sockets 1/2" Drive M5 - M18 M10 Triple Square Socket SET Includes; 1 x M10 spline bit total length 55mm 1 x M12 spline bit total length 55mm 1 x M14 spline bit total length 55mm 1 x M16 spline tamper proof bit total length 55mm 1 x M18 spline bit total length 55mm Comes in a foam molded case for easy storage and transportation. It comes with 1 year quality warranty. CASOMAN 10PCS 1/4-Inch, 3/8-Inch & 1/2-Inch Drive XZN Triple Square Spline Bit Socket Set M4 M18 12 Point Tamper Proof Cr V Sockets And S2 Steel Bits Manufactured from chrome vanadium steel for strength and durability Spline / triple square Male Sockets S2 Impacted end for extra strength. Manufactured from chrome vanadium steel for strength and durability Spline / triple square Male Sockets S2 Impacted end for extra strength. Male spline sockets so basically like Allen key ends, not like normal sockets (female) 1/2 drive so will fit any 1/2 ratchet or power bar etc. Spline / triple square bits so 12 sided 1/2 drive set so will fit any 1/2 ratchet Spline / triple square bits so 12 sided. 7.00. Add to Cart. 1/2 in. Drive x MT16 Tamper-Resistant Triple Square Bit Socket. TEKTON1/u200b2 in.u200b Drive x MT16 Tamper-u200bResistant Triple Square Bit Socket Comes in a blow moulded tray