Description This item come with Alternate 3 clamp heads of range 10-15mm and will give you the best gripping Size. Its drop-forged hardened steel will ensure long service life corrosion resistant and the non-slip PVC cushion grip and spring-assist open helps get right width to insert. Features - Color: As shown.- Material: Plastic and metal- Size:.5 x 8 x 2.5cm.- With Alternate 3 clamp heads,range 10-15mm, giving you the best gripping Size.- for durable and long-lasting use.- Drop-forged hardened steel ensures long service life corrosion resistant.- Non-slip PVC cushion grip, spring-assist open helps get right width to insert.- Auto-lock center pin keeps heads secure, easy to remove for instant head swaps. 2 x Snap Ring Plier