deep-deal Benro ST1 Hydraulic Universal Three feet Support Stand for 3/8 Monopod Compatibility Benro Monopods Benro ST1 Hydraulic Universal Three feet Support Stand for 3/8 Monopod Compatibility Benro Monopods: A28T, A29T, A38T, A48T, A49T, C28T, C29T, C38T, C48T, C49T Benro Tripods (with monopod conversion ability): A1681TB0, A2681TB1, A2691TB1, A1682TB0, A2682TB1, A2692TB1, C1681TB0, C2681TB1, C2691TB1, C1682TB0, C2682TB1, C2692TB1, A1182TB0, A2182TB1, A2192TB1, C1182TB0, C2182TB1, C2192TB1 Mefoto Tripods (with monopod conversion ability): A13401, A2340Q2, A2350Q2, C13401, C2340Q2, C2350Q2 Monpods from other brands with 3/8" bottom screw size, as far as the legs of ST1 can be folded properly.