The V-Lock T-Handle Strap with Large Buckle is a wrist strap specifically made for T.R.U. Ball handheld releases. Fits Boss X, Max Hunter 3, Fang 3 and 4 and the Max Pro 4 releases. Made in USA. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Wrist-Strap Releases.