1、Made of premium aluminum alloy and stainless steel material,stable and durable. 2、Double sheaves provides great smooth rotation and efficient performance. 3、The hanging holes for pulley,easy to clip carabiners. 4、Use rope with 13mm diameter (max). 5、Use cable with 12mm diameter (max). 6、30kN dual pulley and 25kN screw locking carabiner for high durability. 7、Screw locking gate for carabiner allows easy operation. 8、Suitable for climbing,rescue,aloft work,engineering and caving etc. Lixada 30kN Dual Pulley with 25kN Carainber set is professional equipment for climbing,rescue,aloft work,engineering and caving etc. Features: Made of premium aluminum alloy and stainless steel material,stable and durable. Double sheaves provides great smooth rotation and efficient performance. The hanging hole for pulley,easy to clip carabiners. Use rope with 13mm diameter (max). Use cable with 12mm diameter (max). 30kN dual pulley and 25kN screw locking carabiner for high durability. Screw locking gate for carabiner allows easy operation. Suitable for climbing,rescue,aloft work,engineering and caving etc. Specification: Color: Red/Gold/Blue (optional) Material: Aluminum alloy,stainless steel Package size: 21*16*4cm/8.3*6.3*1.6in Package weight: Approx. 464g/16.4oz Climbing Pulley： Max.breaking strength: 30kN/6613lbs Use rope: 13mm (max diameter) Use cable: 12mm (max diameter) Size: 10.8*7.8*3.6cm/4.3*3.1*1.4in Weight: Approx. 284.0g/10.0oz Carainber: Open gate: 20mm/0.8in Weight Capacity: 25kN/2500kg (5511lbs) Size: 11.0*6.0cm/4.3*2.4in Weight: Approx. 162.2g/5.7oz Package List: 1* Climbing Pulley 1* Carainber 1* Climbing Pulley 1* Carainber