The double leg stiff tether is the perfect choice for pairing your rope wrench with the DMM Hitch Tending Pulley. The tether includes a rubber bumper to keep it positioned properly. It can be used with either the hitch climber or the Pinto style...

At approximately half the size of the standard small rigging pulley and weighing in at only 490g (1lb), the new Compact Rigging Pulley offers a highly impressive strength to weight ratio with an 85kN (19000lbf) MBS and a WLL of 17kN (3800lbf). The Pulley...

The ISC Off-Set Oval carabiner weighs 86 grams and is rated with an impressive breaking strength of 25Kn. Its shape works well with both standard and advanced hitch systems especially when climbing with a hitch advancing pulley (Phlotich). The rounded basket and crotch balance...

ISC KH453BG Gator Bentgate Karabiner. Weighs 1.6 ounces, 22mm gate opening, non locking carabiner, aluminum, grey & red, MBS 25kN/5,620 pounds. ISC's KH453BG Gator Bentgate Karabiner. Weighs 1.6 ounces, 22mm gate opening, non locking accessory carabiner, aluminum, grey & red, MBS 25kN/5,620 pounds. CERTIFICATIONS:...

Height:  122mm  Width:  74mm  Thickness:  18mm  Weight:  100g Gate opening:  23mm  MBS Gate Closed:  27kN Proof Loaded:  12kN Source:  Wales UK PRODUCT TYPE: Auto Locking MANUFACTURER PART NUMBER: KH204SS MATERIAL: Aluminum COUNTRY OF MANUFACTURE: GB IA:57-0-71

Rope diameter range Max 3/4" Working Line Max 1+1/4" Topping Strop (WLL) Working Load Limit (lbs)8800 Pulley wheel color: Green Anchor wheel color: Red Wheel material: Aluminum Finish: Powder coated Color: Yellow Weight (grams)3454 Approved Standards CE Approved

The small and medium versions are now manufactured using Hot Forged Technology, combined with high quality materials and components.  These blocks are rope friendly, durable and extremely robust.  These features combined give maximum security and strength, when the block is rigged as part of...

ISC lightweight Eiger Pulleys are made from high strength Aluminium and fitted with tamper-proof rivets. Weight (grams) 124Weight (ounces) 4Compatible with rope diameter (mm) max 13mm (1/2")Body material AluminiumWheel material AluminiumFinish AnodisedColour Red(MBS) Minimum Breaking Strength (kN) 30(MBS) Minimum Breaking Strength (lbf) 6744

ISC lightweight Eiger Pulleys are made from high strength Aluminium and are fitted with tamper-proof rivets. Weight (grams) 87Weight (ounces) 3Compatible with rope diameter (mm) max 13mm (1/2")Body material AluminiumWheel material AluminiumFinish AnodisedColour Red(MBS) Minimum Breaking Strength (kN) 36(MBS) Minimum Breaking Strength (lbf) 8000

The ISC Offset Oval Steel Keylock Karabiner Supersafe combines the specification of an Oval with that of a ‘D’ shape Karabiner. True Ovals are not capable of achieving high breaking loads, as their symmetrical shape shares the load between the spine and the gate...

The small and medium versions are now manufactured using Hot Forged Technology, combined with high quality materials and components. These blocks are rope friendly, durable and extremely robust. These features combined give maximum security and strength, when the block is rigged as part of...

The KH455 Big Dan Carabiner is of sleek ergonomic design, with a high strength to weight ratio. Specifications (MBS) Minimum Breaking Strength: 50kN Gate Opening Gap: 1-1/8" (27mm) Finish: Zinc Plated Weight: 12oz (355gm)

Details: Material: Stainless Steel Color: Bright Shape: D Shape Gate Type: Screw Locking Gate Opening: 1.12" Major Axis Strength: 70 kN (15,737 lbs) Certifications: EN 362

This heavy duty off-set D steel carabiner from ISC Wales conforms to all relevant European and ANSI standards. Double-action, Single-locking. 3/4" gate opening Length:  111mm Width: 64mm Gate opening: 20mm Material:  Heat treated alloy steel Proof tested: 16kN Minimum breaking load:  50kN Finish:  Plated...

The Phlotich Pulley is a multi-attachment device designed for hitch tending in an SRT or DRT climbing system. The unique kidney-shaped opening allows carabiners to self-center according to where the load is applied. Its also large enough for carabiners to rotate completely through and...

The RP240 Ultrasafe Hand Ascender from ISC is a professional ascender suitable for tree care operations. It is heavier because the ultrathin frame on most ascenders has been replaced by a thicker and more solid frame. This makes movement around limbs and branches safer...

The ISC Singing Tree Rope Wrench (STRW) enables Single Rope Technique (SRT) climbing, minimizes slack in the system, ensures consistent friction, allows 1 : 1 efficiency, allows simple re-directs and can easily be set up on multiple limbs. The ZK-2 model has rounded side...

This newest version of the Rope Wrench comes from ISC and is refined with rounded edges, smooth bolts and pins, and the high-end construction you’d expect from ISC. The Singing Tree Rope Wrench is a unique tool for unique climbing arborists.Installed with a stiff...

The Singing Tree Rope Wrench is a revolutionary SRT climbing tool. Designed by Kevin Bingham of Detroit and manufactured by International Safety Components in Wales, the Rope Wrench simplifies your single rope ascent, especially when combined with a FIX tether. The Rope Wrench comes...

The Squirrel Tether is the ONLY metal tether for the ISC Rope Wrench, designed and manufactured exclusively by ISC in Wales, United Kingdom!  The Squirrel Tether is designed for low-friction ascents and optimal engagement of the Rope Wrench, as required during descent and lateral...