Sanlida X10 Thumb ReleaseThis stainless steel bodied thumb release from Sanlida gives you the extra weight in your release hand to give the feeling of extra security in your shot. Each release includes 3 and 4 finger segments supplied as standard. The Sanlida X10 Thumb Release is available in medium size and is supplied with both standard and small sized knurled thumb triggers and extra springs in different strengths to adjust the tension.