SAHS02 handstop has an aluminum knurled hand stop of 28mm diameter with a quick-detach push button, 1 5/8 sling swivel loop, and stud. The sling swivel and stud are made of carbon steel, and the stud has a ball bearing to allow smooth 360-degree free rotation. The hand stop will fit onto both Anschutz and Winchester-style UIT t-slot rails with its two-way rectangular top. Will also fit on target rifles from Kimber and European brands such as Sig Sauer and Feinwerkbau. It provides an optimized hand position between the stock fore-end and sling. Finish & color: Anodized matte silver and black. Weight: 1.6oz.