Surebonder 5/16" #4 Heavy Duty Staples (Narrow Crown) (1250 ct) Material:Metal It is suggested that you

It is suggested that you use a drill press to make sure the holes are straight

Tube plugs include multiple horizontal ribs designed with built in flexibility for easy install and secure fit

3/8" diameter and 1/8" height these clear vinyl bumpers are self-sticking

Cap has an outside diameter of 1-1/8" and overall height is 5/16"

Surebonder 5/16" #4 Heavy Duty Staples (Narrow Crown) (1250 ct) Material:Metal It is suggested that youSurebonder #4 heavy duty 5 16" staples. 1250 staples per box. Fits Surebonder models: 5690 5600 5685 5800 9600A Arrow T50 Stanley TR110 TR150HL Powerfast (Swingline) 10401 31690 31890 Ace Hardware 2014413 Craftsman 68517 68492 68434 Black and Decker 8000. Use for upholstery fabric covering window coverings etc.