Parameters: Brand: JIN-JACK Color: black, silver Material: steel TPE Quantity: 2 Size: L (41-45) Additional information: case included Flat dimensions: Length: approx. 28 cm Width: approx. 16 cm Other dimensions: TPE thickness: approx. 4 mm Number of spikes on one piece: 13 Spike length: 18 mm Maximum spike width: 12 mm Length of 2 spikes on the instep: 9 mm Chain link: 18 x 10 mm Strap dimensions: Total strap length: 28 cm Strap width: 2.5 cm Buckle: 2.5 x 1.5 cm Additional information: Movable steel instep Drawstring pouch dimensions: 20 x 15 cm "Front," "Rear" markings in English