Leg Extension Attachment - FID Bench [45mm]Leg Extension Attachment FID Bench [45mm] The Leg Extension Attachment is a must have addition to your fitness routine. This attachment effectively targets the quadriceps and hamstrings, providing an optimal workout experience. Invest in your leg muscles with this versatile piece of equipment. Key Features Use with olympic or standard plates Comes with olympic sleeve adaptor Insert Size: 4. 5cm X 4. 5cm * Bench not included Attachment only