Trojan Seated Leg Ext / Ham String Hip Thrust & Hyper Extension Attachment FPR70LPTrojan Leg Extension Seat Hamstring Developer Hip Thrust & Hyper Extension Attachment, this is a BRAND NEW ATTACHMENT ! Enhance your functional training capabilities with this versatile lower body attachment, designed to seamlessly integrate with the following Trojan All in One Functional Trainers: Compatible with: TRFPR70 & FPR7MAX Trojan range Key Applications: Leg Extensions Effectively target and strengthen the quadriceps Seated Leg Curls Isolate