Oxygen Torch Cylinder, 1.4-oz. Stair Edging & Treads This knob fits the two

This knob fits the two most common backsets in the U

Cast-metal case is durable and suitable for heavy-duty use

Body Width:3/4in

uses 1250 pack t-50 1/4" (tv# 137-190)

Oxygen Torch Cylinder, 1.4-oz. Stair Edging & Treads This knob fits the two1. 4 OZ, Oxygen Cylinder, Designed For Use With Oxygen Fuel Torches That Produce A High Intensity Flame, Perfect For A Variety Of Job Site Projects Including Brazing & Light Welding, Medium To Heavy Soldering, Cutting Thin Sheet Metal & Surface Hardening Of Metals, Constructed Of Durable Steel, The Slim Lightweight Cylinder Is Easy To Grip & Maneuver. Use with Oxygen? ? MAP Pro welding torches for a high intensity flame that can cut steel, braze and