Jones Stephens J40406 10" Smooth Jaw Tongue and Groove Pliers, Channel Lock No. 415, 2" Capacity, # Adj. 7Jones Stephens J40406 Channellock 415 10" Tongue Groove Pliers have all the versatility and strength of straight jaw pliers, but with a smooth jaw design to protect surfaces from scratching (PVC pipe, chromes, etc.). These pliers are built to last with a Permalock fastener that eliminates nut and bolt failure and a patented reinforcing edge to minimize stress breakage. Channellock Smooth Jaw Pliers are made in USA and forged from high carbon U. S.