New spreading finger restraints. The wrist opening is 60mm. The 4 finger openings have an inner diameter of 17 and 20mm. The fingers and wrist are fixed with screws. The length of the ankle is approx. 17cm. The width approx. 15cm. The weight is approx. 300 grams per piece. Delivery includes 2 pieces. Each for right and left. Material: stainless steel.