The HandAll Grip Sleeve are scientifically designed and patented with a unique shape that hugs the contours of your firearm giving them the tightest and most secure fit possible. Features include: proportioned finger grooves cobblestone texture ambidextrous palm swells. HandAll grip sleeves are easily installed and provide years of dependable service. The large Tactical Grip Sleeve is made for firearms that have a grip/frame with a straight or mostly-straight back strap.