Hand-filling, ergonomic profile with finger grooves, palm swells, and many other features improves shooting comfort and accuracy. Tactical grip features SureGripA(R) textured finish. SureGripA(R) adds an overmolded, rubberized covering to the polymer body for a superior grip and added cushion. Similar is size to the Original SureGripA(R), the ERGO 2 is slightly more rounded in the back. Non-slip surface and subtle finger grooves improve grasp and promote correct trigger finger position. Curved rear backstrap fills web of hand. ERGO 2 features: A2 sized inner cavitiy compatible with many accessories available on the market Unique design allows installation on both .55 Mfg: Ergo Grips SPECS: Polymer, hard texture or overmolded rubber, Black or Dark Earth. 4" (10cm) long.