Details Frame fitment: Full size grips will fit standard Government and Commander model 1911s. Compatible with most brands of 1911s on the market including, but not limited to; Colt, Springfield, Wilson Combat, Sig Sauer, Smith & Wesson, Ed Brown, Kimber, Remington, Taurus, Ruger, and Rock Island Armory. * Will NOT fit Para Ordnance 1911. Profile: Round butt with a beveled cut on the bottom edge. Compatible with 1911s with a bobtail frame. Standard thickness of 1/4" Measurement between centers of 2 screw holes: 3 1/16" Ambi safety: These come with a standard ambi cut. * Rock Island, STI, or Taurus style ambi safety will require minor fitting. Mag release: Standard thumb notch   SPECS SKU: H1B-J6P-1 Length: 3.9in Width: 1.5in Height: .1 in Weight: 2.08 oz Brand: Cool Hand