The Boom Pole Holder is a durable holder for fixed position microphone recording. This clamp and mount system allows for hands free boompole mounting on C-stands and microphone stands. 3-1/2" stainless steel shaft fits securely in your grip headDimensions: 5.25 x 7.25 x 2.75" ( 133.35 x 184.15 x 69.85 mm)Weight: 8.5 oz ( 240.98 g)