IRWIN Tools VISE-GRIP GrooveLock Pliers, Straight Jaw, 8- and 10-inch (1802532) Can ream and smooth inside and outside of conduit Ideal for liquid tight fittings and caps IRWIN VISE-GRIP pliers tighten A simple push of a button adjusts the lower jaw twice faster than traditional groove joint pliers. Multi-Groove Ratcheting System has twice the groove positions of other groove joint pliers, for precise positioning to grip any type of surface. Anti-pinch, non-slip ProTouch Grips provide comfort, control, and less hand fatigue. Right angle teeth grip in all directions for maximum bite. Straight jaw provides maximum contact on flat, square, or hex materials.