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. This Beavertail model has a Aqua blue finish and is compatible with Glock 42/43.