If you frequently suffer from fit or release problems related to finger swelling, then Switch Grip® Interchangeable Finger Assemblies are right for you. Switch Grip® Finger Assemblies use the same technology and locking mechanism as our popular Thumb Assemblies which consists of an Outer Sleeve and removable Inner Sleeve. Outer Sleeve – o.d. 1 1/8”. Inner Sleeve – i.d 31/32”. Inner Sleeve can be equipped with finger inserts 31/32” o.d. which include Turbo insert sizes 19/32 – 13/16”.