Our best Bore Master Junior lock installation kit for cylindrical locksets with all Carbide Tipped Spur Bits. Always insist on Carbide Tipped Spur Bits when you purchase any lock installation kit from us or the competition. This kit is supplied with our best Templaco door boring fixture that is adjustable from 2-3/8” to 2-3/4” backset positions and for doors from as thin as 1” to 2-1/2” thick, (for thicker doors up to 3 inches please contact us for the added cost). Kit includes a 1” Carbide tipped spur bit for boring edge-bore holes, a 2-1/8” Carbide spur bit for boring the cross-bore hole and an 1-1/2” Carbide Tipped spur bit is included for boring dead bolt holes. Also included are two mortis markers, 1” x 2-1/4” to mark the outline of the latch plate on the door and a 2-1/4” x 'Full Lip' strike plate on the jamb for mortising with your chisel. To complete the kit we include a 1/2” heavy duty hex drive quick-release drill adapter to chuck the bits into your drill motor, an 1-1/2” reducer ring to use with the 1-1/2” spur bit and an aluminum latch bore strike center marker with a stainless steel point. This complete kit is enclosed in a rugged black plastic case. And remember, when you need parts or service on your Bore Master, we’re right here and we’ve been doing this for over 30 years.