Specification Brand : INON BulletPoint1 : Inon YS Adapter MV is used to attach YS joint equipped product such as Sea & Sea YS series strobes on an arm via clamp. The ball-joint is made from plastic to provide flexible strobe positioning without loosening a clamp to provide comfortable strobe aiming. BulletPoint2 : Full lensgth: 67mm (2.6in) BulletPoint3 : Effective length: 45.5mm (1.8in) BulletPoint4 : Weight: 20g (0.7oz) [air] / approx.7g (0.2oz) [underwater] ExternallyAssignedProductIdentifier : 4562121436534 ItemName : Inon YS Adapter MV ItemPackageDimensions_Height : 6.7 centimeters ItemPackageDimensions_Length : 2.7 centimeters ItemPackageDimensions_Width : 3.7 centimeters ItemTypeKeyword : photographic-light-mounting-hardware ModelNumber : LYSB006TA03WA-ELECTRNCS PartNumber : 4562121436534 ProductDescription : Inon YS Adapter MV is used to attach YS joint equipped product such as Sea & Sea YS series strobes on an arm via clamp. The ball-joint is made from plastic to provide flexible strobe positioning without loosening a clamp to provide comfortable strobe aiming. Full lensgth: 67mm (2.6in) Effective length: 45.5mm (1.8in) Weight: 20g (0.7oz) [air] / approx.7g (0.2oz) [underwater]