The Arm Float S is attached on an aluminum alloy Arm to help to grasp it comfortably and add approx. 70g buoyancy underwater.
Two pieces construction of foam rigid plastic is easy to install simply by screwed together on an arm in between and has advantage to save space when transporting.
Buoyancy: approx.70g (2.5oz) [underwater]
Weight: 45g (1.6oz) [air]
Compatible arm Arm S/M/L (Arm L can have two Arm Float S) YS Arm MS/M