?Perfect tool helps you to train you biceps.

Features:
Constructed with thick aluminum alloy.
Contoured design to isolate arms and shoulders while keeping the back and elbows locked in curling position.
Adjustable belt made of webbed nylon.
Neoprene neck pad for added comfort.

Specifications:
Material: Aluminum alloy + nylon + neoprene
Size: 61 * 10cm / 24 * 3.9in
Thickness: 5mm
Weight: 798g / 1.76lb

Package List:
1 * Arm Blaster