All of the ISC Prussik pulleys comply to BS EN12278 (2007) and NFPA (1983). All have tamper proof rivets, and all are available in Aluminium or Stainless Steel, with Bearings or Bushings.Bushings = high loads, low speedBearings = low loads, high speedAs standard ACR aim to keep a stock of every pulley, in STAINLESS and ALUMINIUM, BUSHING AND BEARING versions.A = Alu with bushing 50kNB = Alu with roller bearing 50kNC = Stainless with roller bearing 50kND = Stainless with bushing 50kNStrength rating (MBS): 50kNBody material: Aluminium or Stainless steelWheel material: Aluminium or Stainless steelFinish: Anodised or PolishedIndividual serial number: YesWeight: 280g / 584gApproval: CE EN12278, NFPA1983Rope Size: Max 13mm
The Singing Rock Redblock is a fixed sheave shear reduction device. It is suitable for top rope belaying with textile EN892 / EN1891 rope up to 12mm diameter. The unit has a stainless steel fixed sheave (60mm diameter) and pins + anodised aluminium alloy fixed side cheeks. This unit is suitable for top roping techniques in many applications including those found at climbing walls & adventure parks.
With hardly a straight line in sight, the hot forged curves and fairlead flares of DMM's Pinto Pulley make for an ultra efficient, ‘textile friendly’ environment. Clip, hitch, splice or thread the anchor holes or the becket to give numerous work and rescue configurations (textile attachments can help minimise any torsional build up in closed systems).
This has special side plates for use with a prussik friction hitch. Large diameter sheave (51mm) mounted on ball bearings for low friction, high efficiency. The clipping slot is large enough to accept 3 typical karabiners. For use with 7 to 13mm ropes.
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Established in 1977