0456LASAN Model Code: AD (part# 0456LASAN) This item features: -These tools are supplied with durable hardened alloy steel needles and are ideal for removing rust, scale, paint, weld spatter, weld flux and other residue in shipyards, fabrication shops and many other industries. -Self closing throttle. -Entire needle can be removed, to enable tools to be used as chippers. -Bore Diam: 1 in. -Control Type: On/Off. -Price is for 1 Each. Model Code Model Description AAStroke Length:1 1/8 in, Cycle Rate:3600 blows/min [Max], Inlet Size:3/8 in NPT(F), Handle Type:Lever, Type:Needle Chipping/Scaling Hammer, Wt.:5 5/16 lb ABStroke Length:1 1/8 in, Cycle Rate:3900 blows/min [Max], Inlet Size:3/8 in NPT(F), Handle Type:Off-Set, Type:Needle Chipping/Scaling Hammer, Wt.:5 7/8 lb ACStroke Length:1 in, Cycle Rate:4300 blows/min [Max], Inlet Size:1/4 in NPT(F), Handle Type:Lever, Type:Needle Chipping/Scaling Hammer w/Rectangular Nose, Wt.:6 lb ADStroke Length:1 in, Cycle Rate:4300 blows/min [Max], Inlet Size:1/4 in NPT(F), Handle Type:Lever, Type:Needle Chipping/Scaling Hammer w/Round Nose, Wt.:6 lb