Uncle Mike's Swivels Non Tri-Lock Blued 1in Clam. OpticsPlanet Inc is an Authorized US Distributor for Uncle Mike's Swivels. Same silence and ruggesdness as the original without the Tri-Lock feature Better fit for molded stocks with molded-in swivel studs 1" Loops - Blued Set No. 14022 Specifications for Uncle Mike's Swivels w/Non Tri-Lock: Manufacturer: Uncle Mike's Color: Blued Fabric/Material: Steel Features of Uncle Mike's Swivels w/Non Tri-Lock Same silence and ruggedness as the original without the Tri-Lock feature Better fit for molded stocks with molded-in swivel studs Package Contents: Uncle Mike's Swivels w/Non Tri-Lock Uncle Mike's 14022: Swivels Non Tri-Lock Blued 1in Clam