Overview M20 Wrench for GLS331 / GLS431 Stands GRAVITY M20 Wrench for GLS331 / GLS431 stands$9.99PriceQuantity*Add to CartSpecificationsGeneral Product type: Stands and Tripod Accessories Type: wrenches Material: Steel Width: 25 mm Length: 53 mm Height: 4 mm Weight: 0,2 kg